INVESTMENT AND MORTGAGE RELATED SECURITIES (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Available-for-Sale Securities:
Amortized Cost	$ 311,308,000	$ 289,087,000
Gross Unrealized Gains	5,464,000	7,206,000
Gross Unrealized Losses	(1,503,000)	(186,000)
Total Fair Value	315,269,000	296,107,000
Held-to-maturity Securities:
Amortized Cost	25,611,000	28,369,000
Gross Unrealized Gains	1,027,000	1,082,000
Fair Value	26,638,000	29,451,000
Available-for-sale securities:
Fair Value, Less than 12 Months	101,021,000	29,092,000
Unrealized Losses, Less than 12 Months	(1,454,000)	(65,000)
Fair Value, 12 Months or More	2,951,000	2,879,000
Unrealized Losses, 12 Months or More	(49,000)	(121,000)
Fair Value, Total	103,972,000	31,971,000
Unrealized Losses, Total	(1,503,000)	(186,000)
Temporarily Impaired Securities
Fair Value, Less than 12 Months	101,021,000	29,092,000
Unrealized Losses, Less than 12 Months	(1,454,000)	(65,000)
Fair Value, 12 Months or More	2,951,000	2,879,000
Unrealized Losses Plus OTTI in AOCI, 12 Months or More	(49,000)	(121,000)
Fair Value, Total	103,972,000	31,971,000
Unrealized Losses, Total	(1,503,000)	(186,000)
Debt securities excluding mortgage related securities
Available-for-Sale Securities:
Amortized Cost	12,482,000	12,507,000
Gross Unrealized Gains	109,000	105,000
Gross Unrealized Losses	(49,000)	(121,000)
Total Fair Value	12,542,000	12,491,000
Available-for-sale securities:
Fair Value, 12 Months or More	2,951,000	2,879,000
Unrealized Losses, 12 Months or More	(49,000)	(121,000)
Fair Value, Total	2,951,000	2,879,000
Unrealized Losses, Total	(49,000)	(121,000)
Obligations of U.S. government agencies
Available-for-Sale Securities:
Amortized Cost	300,000	300,000
Gross Unrealized Gains	13,000	14,000
Total Fair Value	313,000	314,000
Corporate securities
Available-for-Sale Securities:
Amortized Cost	12,182,000	12,207,000
Gross Unrealized Gains	96,000	91,000
Gross Unrealized Losses	(49,000)	(121,000)
Total Fair Value	12,229,000	12,177,000
Available-for-sale securities:
Fair Value, 12 Months or More	2,951,000	2,879,000
Unrealized Losses, 12 Months or More	(49,000)	(121,000)
Fair Value, Total	2,951,000	2,879,000
Unrealized Losses, Total	(49,000)	(121,000)
Mortgage related securities
Available-for-Sale Securities:
Amortized Cost	298,826,000	276,580,000
Gross Unrealized Gains	5,355,000	7,101,000
Gross Unrealized Losses	(1,454,000)	(65,000)
Total Fair Value	302,727,000	283,616,000
Held-to-maturity Securities:
Amortized Cost	25,611,000	28,369,000
Gross Unrealized Gains	1,027,000	1,082,000
Fair Value	26,638,000	29,451,000
Available-for-sale securities:
Fair Value, Less than 12 Months	101,021,000	29,092,000
Unrealized Losses, Less than 12 Months	(1,454,000)	(65,000)
Fair Value, Total	101,021,000	29,092,000
Unrealized Losses, Total	(1,454,000)	(65,000)
Private label commercial mortgage related securities
Available-for-Sale Securities:
Amortized Cost	4,630,000	6,119,000
Gross Unrealized Gains	49,000	78,000
Total Fair Value	4,679,000	6,197,000
Agency residential mortgage related securities
Available-for-Sale Securities:
Amortized Cost	294,196,000	270,461,000
Gross Unrealized Gains	5,306,000	7,023,000
Gross Unrealized Losses	(1,454,000)	(65,000)
Total Fair Value	298,048,000	277,419,000
Held-to-maturity Securities:
Amortized Cost	25,611,000	28,369,000
Gross Unrealized Gains	1,027,000	1,082,000
Fair Value	26,638,000	29,451,000
Available-for-sale securities:
Fair Value, Less than 12 Months	101,021,000	29,092,000
Unrealized Losses, Less than 12 Months	(1,454,000)	(65,000)
Fair Value, Total	101,021,000	29,092,000
Unrealized Losses, Total	$ (1,454,000)	$ (65,000)